Answer:The same amount of matter exists before and after the change—none is created or destroyed. This concept is called the Law of Conservation of Mass. In a physical change, a substance's physical properties may change, but its chemical makeup does not.
Explanation:
He observed 15 different finch species that originated as one ancestral bird. all differing in body shape, beak size, and mating habbits
<span>HR-diagram the most populated.</span>
Answer:
<em>The correct option is C) Dd and Dd</em>
Explanation:
To explain the answer, lets make a punnet square with a cross between Dd and Dd.
D d
D DD Dd
d Dd dd
As deafness is a recessive trait, this means that both the alleles in a person should be same and recessive for that trait to occur in the phenotype. A cross between heterozygous carriers show that there will be a 25% probability that the offsprings produced will get the recessive alleles and hence they will be deaf. 50% of the offsprings will have the chance to be carriers like their parents. And there willbe a 25% chance that they will have normal homozygous alleles.